Home / 27,576.02-38,067.81-17,645.78

Finding the Fourth Proportional to 27,576.02, 38,067.81 and 17,645.78

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Solution

The fourth proportional to 27,576.02, 38,067.81 and 17,645.78 is: 24,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,576.02 : 38,067.81 = 17,645.78 : x
  2. Step 2: Convert to fraction form
    27,576.02/38,067.81 = 17,645.78/x
  3. Step 3: Cross multiply
    27,576.02x = 38,067.81 × 17,645.78
  4. Step 4: Simplify right side
    27,576.02x = 671,736,200.34
  5. Step 5: Solve for x
    x = 671,736,200.34/27,576.02
  6. Step 6: Final answer
    x = 24,359.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.